You should call MDA to check actively
Last time, i didn't pay the bill on time as it reached me late due to address change... and got fined 50+...
FYI
https://mdaonline.mda.gov.sg/onlineservices/homepage/contact_us.html
FYI
https://mdaonline.mda.gov.sg/onlineservices/homepage/contact_us.html